PHP Five ways to read file contents

PHP Five ways to read file contents

Share the Five ways PHP reads the contents of a file: All right, when you're done, you'll find that the files are not closed. In practical application, please pay attention to closing fclose ($FP);
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PHP Read File contents:

-----The first Method-----fread ()--------

<?php$file_path = "Test.txt", if (file_exists ($file _path)) {$fp = fopen ($file _path, "R"); $str = Fread ($fp, FileSize ($ File_path));//Specify the read size, where the entire contents of the file are read echo $str = Str_replace ("\ r \ n", "
", $str);}? >

--------the second method------------

<?php$file_path = "Test.txt", if (file_exists ($file _path)) {$str = file_get_contents ($file _path);// Reads the entire file contents into a string $str = Str_replace ("\ r \ n", "
", $str); echo $str;}? >

-----The third method------------

<?php$file_path = "Test.txt", if (file_exists ($file _path)) {$fp = fopen ($file _path, "R"); $str = ""; $buffer = 1024;// Reads 1024 bytes at a time (!feof ($fp)) {//loops through read until the entire file $str is read. = Fread ($fp, $buffer);} $str = Str_replace ("\ r \ n", "
", $str); echo $str;}? >

-------the fourth method of--------------

<?php$file_path = "Test.txt", if (file_exists ($file _path)) {$file _arr = file ($file _path); for ($i =0; $i
 
  
";} /*foreach ($file _arr as $value) {echo $value. "
";} */}?>

----The fifth method of--------------------

<?php$file_path = "Test.txt", if (file_exists ($file _path)) {$fp = fopen ($file _path, "R"); $str = ""; while (!feof ($fp)) { $str. = Fgets ($fp);//read by line. If Fgets does not write the length parameter, the default is to read 1k. } $STR = Str_replace ("\ r \ n", "
", $str); echo $str;}? >

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